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84925247 = 1167139829
BaseRepresentation
bin1010000111111…
…01101100111111
312220210122112112
411003331230333
5133220101442
612232124235
72050565321
oct503755477
9186718475
1084925247
1143a35660
122453667b
1314796134
14b3c9611
1576c8082
hex50fdb3f

84925247 has 16 divisors (see below), whose sum is σ = 94819200. Its totient is φ = 75414240.

The previous prime is 84925229. The next prime is 84925259. The reversal of 84925247 is 74252948.

It is not a de Polignac number, because 84925247 - 28 = 84924991 is a prime.

It is a super-2 number, since 2×849252472 = 14424595156022018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84925277) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102029 + ... + 102857.

It is an arithmetic number, because the mean of its divisors is an integer number (5926200).

Almost surely, 284925247 is an apocalyptic number.

84925247 is a deficient number, since it is larger than the sum of its proper divisors (9893953).

84925247 is a wasteful number, since it uses less digits than its factorization.

84925247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1046.

The product of its digits is 161280, while the sum is 41.

The square root of 84925247 is about 9215.4895149417. The cubic root of 84925247 is about 439.5540367818.

The spelling of 84925247 in words is "eighty-four million, nine hundred twenty-five thousand, two hundred forty-seven".

Divisors: 1 11 67 139 737 829 1529 9119 9313 55543 102443 115231 610973 1267541 7720477 84925247